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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263/* * include/linux/sync_file.h * * Copyright (C) 2012 Google, Inc. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */
#ifndef _LINUX_SYNC_FILE_H#define _LINUX_SYNC_FILE_H
#include <linux/types.h>#include <linux/ktime.h>#include <linux/list.h>#include <linux/spinlock.h>#include <linux/dma-fence.h>#include <linux/dma-fence-array.h>
/** * struct sync_file - sync file to export to the userspace * @file: file representing this fence * @sync_file_list: membership in global file list * @wq: wait queue for fence signaling * @flags: flags for the sync_file * @fence: fence with the fences in the sync_file * @cb: fence callback information * * flags: * POLL_ENABLED: whether userspace is currently poll()'ing or not */struct sync_file { struct file *file; /** * @user_name: * * Name of the sync file provided by userspace, for merged fences. * Otherwise generated through driver callbacks (in which case the * entire array is 0). */ char user_name[32];#ifdef CONFIG_DEBUG_FS struct list_head sync_file_list;#endif
wait_queue_head_t wq; unsigned long flags;
struct dma_fence *fence; struct dma_fence_cb cb;};
#define POLL_ENABLED 0
struct sync_file *sync_file_create(struct dma_fence *fence);struct dma_fence *sync_file_get_fence(int fd);char *sync_file_get_name(struct sync_file *sync_file, char *buf, int len);
#endif /* _LINUX_SYNC_H */